body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, form, fieldset, legend, input, textarea, button, p, blockquote, th, td{margin: 0;padding: 0;}
body {text-align:center;}
li{list-style-type:none;}
a{text-decoration: none;}
img,input,button{border:none;vertical-align:middle;outline: none;}